Fatty acid metabolism meets organelle dynamics
- PMID: 25805129
- DOI: 10.1016/j.devcel.2015.03.008
Fatty acid metabolism meets organelle dynamics
Abstract
Upon nutrient deprivation, cells metabolize fatty acids (FAs) in mitochondria to supply energy, but how FAs, stored as triacylglycerols in lipid droplets, reach mitochondria has been mysterious. Rambold et al. (2015) now show that FA mobilization depends on triacylglycerol lipolysis, whereas autophagy feeds the lipid droplet pool for continued fueling of mitochondria.
Copyright © 2015 Elsevier Inc. All rights reserved.
Comment on
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Fatty acid trafficking in starved cells: regulation by lipid droplet lipolysis, autophagy, and mitochondrial fusion dynamics.Dev Cell. 2015 Mar 23;32(6):678-92. doi: 10.1016/j.devcel.2015.01.029. Epub 2015 Mar 5. Dev Cell. 2015. PMID: 25752962 Free PMC article.
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